package com.sky.handler;

import com.sky.constant.MessageConstant;
import com.sky.exception.BaseException;
import com.sky.result.Result;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;

/**
 * 全局异常处理器，处理项目中抛出的业务异常
 */
@RestControllerAdvice//用于接收conroller抛出的异常
@Slf4j
public class GlobalExceptionHandler {
    /**
     * 捕获sql异常
     * @param ex
     * @return
     */
    @ExceptionHandler//用于接收异常的注解
    public Result exceptionHandler2(SQLIntegrityConstraintViolationException ex){
        log.error("异常信息：{}", ex.getMessage());
        String message = ex.getMessage();
        if(message.contains("Duplicate entry")){
            String[] split = message.split(" ");
        String username =split[2];//拿到用户名

        String msg = username+ MessageConstant.ALREADY_EXISTS;
        return Result.error(msg);
    }
        return Result.error(MessageConstant.UNKNOWN_ERROR);




}

    /**
     * 捕获业务异常
     * @param ex
     * @return
     */
    @ExceptionHandler//用于接收异常的注解
    public Result exceptionHandler(BaseException ex){
        log.error("异常信息：{}", ex.getMessage());
        //比较严重的业务异常，介入短信接口，给程序员发短信
        return Result.error(ex.getMessage());
    }




}
